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For the Inventor, By the Inventor

Niigata-ken, Japan

Ryuichi Saito

USPTO Granted Patents = 17

Average Co-Inventor Count = 4.3

ph-index = 5

Forward Citations = 82(Granted Patents)


Location History:

  • Joetsu, JP (1995 - 1996)
  • Kubiki-Mura, JP (1996)
  • Kubiki, JP (1996)
  • Niigata, JP (1996)
  • Niigata-ken, JP (1996 - 1997)
  • Kubika-mura, JP (1997)
  • Nigata-ken, JP (1999)
  • Ibaraki-ken, JP (1999 - 2000)
  • Kamisu-machi, JP (1999 - 2002)
  • Maebashi, JP (2003)
  • Kashima-gun, JP (2001 - 2004)

Company Filing History:

goldMedal17 out of 5,966 
 
Shin-etsu Chemical Co., Ltd.
 patents

Years Active: 1995-2004

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17 patents (USPTO):Explore Patents
1. 6677409 - Method of producing vinyl-based polymer (2004-01-13),
2. 6639027 - Production process for vinyl-based polymer (2003-10-28),
3. 6448372 - Process for producing vinyl chloride polymer with low residual monomer (2002-09-10),
4. 6288258 - Preparation of organohalosilanes (2001-09-11),
5. 6037428 - Polymerization of vinyl chloride with peroxide mixtures (2000-03-14),
6. 5925721 - Process for producing vinylidene fluoride resin (1999-07-20),
7. 5868961 - Silacyclohexane compound, a method of preparing it and a liquid crystal (1999-02-09),
8. 5866037 - Liquid crystal compositions and liquid crystal display elements (1999-02-02),
9. 5659059 - Silacyclohexane compound, a method of preparing it and a liquid crystal (1997-08-19),
10. 5641431 - Silacyclohexanone compound and a method of preparing a (1997-06-24),
11. 5573705 - Silacyclohexane compound, a method of preparing it and a liquid crystal (1996-11-12),
12. 5567350 - Silacyclohexane compound, a method of preparing it and a liquid cyrstal (1996-10-22),
13. 5547606 - Silacyclohexane compound, a method of preparing it and a liquid crystal (1996-08-20),
14. 5543539 - Silacyclohexane compound, a method of preparing it and a liquid crystal (1996-08-06),
15. 5498737 - Silacyclohexane compound, a method of preparing it and a liquid crystal (1996-03-12),

Title: Ryuichi Saito: Innovator in Vinyl-Based Polymer Production

Introduction

Ryuichi Saito is a prominent inventor based in Niigata-ken, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of vinyl-based polymers. With a total of 17 patents to his name, Saito's work has had a considerable impact on the industry.

Latest Patents

One of Saito's latest patents is a method of producing vinyl-based polymer. This innovative production process involves polymerizing a vinyl-based monomer through a radical reaction within an aqueous medium in a polymerization vessel. A key feature of this process is the supply of a reaction inhibitor with a melting point of no more than 40°C from a supply tank to the polymerization vessel. The supply tank and pipe are heated, allowing the reaction inhibitor to be added in a liquid state with a viscosity of no more than 200 mPa·s. This method eliminates the need for organic solvents at low temperatures, preventing issues such as solidification and blockage in the supply system.

Career Highlights

Ryuichi Saito is currently employed at Shin-Etsu Chemical Co., Ltd., where he continues to develop innovative solutions in polymer production. His expertise and dedication to research have positioned him as a leader in his field.

Collaborations

Saito has collaborated with notable colleagues, including Takaaki Shimizu and Tsutomu Ogihara. These partnerships have fostered a collaborative environment that enhances the innovation process.

Conclusion

Ryuichi Saito's contributions to the field of vinyl-based polymer production exemplify his commitment to innovation and excellence. His patents and collaborative efforts continue to shape the future of polymer chemistry.

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